<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="js/vue.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<div id="app">
			<cpn :number1="num1" :number2="num2" @num1change="num1change"@num2change="num2change"></cpn>
		</div>
		
		<template id="cpn">
			<div id="">
				<h2>props:{{number1}}</h2>
				<h2>data:{{dnumber1}}</h2>
				<!-- <input type="text" v-model="dnumber1" /> -->
				<input type="text"  :value="dnumber1" @input="num1Input"/>
				<h2>props:{{number2}}</h2>
				<h2>data:{{dnumber2}}</h2>
				<!-- <input type="text" v-model="dnumber2" /> -->
				<input type="text"  :value="dnumber2" @input="num2Input"/>
			</div>
		</template>
		<script type="text/javascript">
			const app = new Vue({
				el:'#app',
				data:{
					num1:1,
					num2:0
				},
				methods:{
					num1change(value){
						this.num1 = parseInt(value)	
					},
					num2change(value){
						this.num2 = parseInt(value)
					}
					
				},
				components:{
					cpn:{
						template:'#cpn',
						props:{
							number1:Number,
							number2:Number
						},
						data(){
							return {
								dnumber1:this.number1,
								dnumber2:this.number2,
							}
						},
						methods:{
							num1Input(event){
								//Input的value赋值到value中
								this.dnumber1=event.target.value
								//为了让父组件修改值 发出一个事件
								this.$emit("num1change",this.dnumber1)
								//同时修改dnumber2的值
								this.dnumber2 = this.dnumber1*100
								this.$emit("num2change",this.dnumber2)
							},
							num2Input(event){
								this.dnumber2=event.target.value
								this.$emit("num2change",this.dnumber2)
								
								//同时修改dnumber2的值
								this.dnumber1 = this.dnumber2/100
								this.$emit("num1change",this.dnumber1)
							}
						}
						
					}
				}
				
			})
		</script>
		
	</body>
</html>
